Security of PHR in Cloud Computing by Using Several Attribute Based Encryption Techniques

Abstract

Personal health record is an emerging trend in the health field for the exchange and use of personal health information. This record is now a day’s stored in the third party storage areas like in the cloud providers. To reduce the storage space needed and for the cost reduction, the cloud service applied. There are lots of security issues related with the storage of sensitive personal health information in the clouds. The privacy and confidentiality of personal health information have challenges when cloud storage and applications used. Here the advanced encryption methods like attribute based encryption and its variations are used. Secure sharing of personal health record is assured in this system.